Air purifier



FIG. 1 is a perspective view of an embodiment of an air purifier showing my new design.

FIG. 2 is a front elevational view of the air purifier of FIG. 1.

FIG. 3 is a rear elevational view of the air purifier of FIG. 1.

FIG. 4 is a right side elevational view of the air purifier of FIG. 1.

FIG. 5 is a left side elevational view of the air purifier of FIG. 1.

FIG. 6 is a top plan view of the air purifier of FIG. 1; and,

FIG. 7 is a bottom plan view of the air purifier of FIG. 1.

The broken lines appearing in the figures are for the purpose of illustrating the environmental structure of the article of the claimed design and form no part of the claimed design. 

CLAIM The ornamental design for an air purifier, as shown and described. 